181025-N-GC639-1097 PACIFIC OCEAN (Oct. 25, 2018) Gunner's Mate Seaman Apprentice Joshua Morales, from Manati, Puerto Rico, runs a simulation on the remote operation console (ROC) of a Mark 38 25 mm machine gun system while receiving familiarization training in the pilot house aboard the Arleigh Burke-class guided-missile destroyer USS Spruance (DDG 111). Spruance is currently conducting routine operations as part of Carrier Strike Group (CSG) 3 in the U.S. 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ryan D. McLearnon/Released)